Mathematical Models Mixed Integer Programming
Mostrando 1-9 de 9 artigos, teses e dissertações.
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1. Modelagem matemática para a localização ótima de usinas de incineração com recuperação energética de resíduos sólidos domiciliaries: uma aplicação para Região Metropolitana da Baixada Santista e Litoral Norte / Mathematical modeling for the optimal location for incineration plants with energy recovery from municipal solid waste: an application to the Santos Metropolitan Region and North Coast
A presente pesquisa teve por objetivo propor uma estrutura de modelagem matemática para a localização ótima de unidades de tratamento térmico de resíduos com recuperação energética. Para tal, o ferramental utilizado foi o método de programação inteira mista, sendo a modelagem desenvolvida aplicada para a Região Metropolitana da Baixada Santista
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/01/2012
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2. Modelagem do planejamento agregado da produção em usinas cooperadas do setor sucroenergético utilizando programação matemática e otimização robusta
The main concern of this work is related to the development of an aggregate production planning model of a cooperative society of sugar and alcohol milling companies. This mathematical model is based on a hierarquical approach between the annual planning problem of the cooperative and the tactical planning horizon of the sugarcane mills. In the cooperative l
Publicado em: 2009
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3. Proposta de um modelo de planejamento agregado da produção numa usina de açúcar e álcool vinculado à flutuação de preços em mercados à vista e no mercado futuro. / A model of aggregate production planning in a sugar mill and alcohol linked the decisions of prices in future markets and present markets.
The objective of study this dissertation is to develop a model of aggregate production planning to support the decisions of management and board level of sugar and alcohol plants in regard to varieties of cane harvested each week, purchasing cane of nonsugar, the type of transport (own or outsourced) to use each week, the total cane processed per week for ta
Publicado em: 2009
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4. Optimization of pipeline scheduling operations: efficient formulations and hydraulic considerations. / Otimização da programação de operações dutoviárias: formulações eficientes e considerações hidraúlicas.
Pipeline systems correspond nowadays to the most efficient mode for the transportation of large amounts of liquid and vapor products for long distances. Pipelines are utilized by the Petroleum Industry to transport petroleum and its product derivatives. The present work addresses the scheduling of pipeline distribution of a system that operates with a pipeli
Publicado em: 2007
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5. Otimização de formulações de fluidos para freios do tipo ABNT 3 (DOT3). / Optimization of brake fluids formulations type ABNT 3 (DOT 3).
The aim of this work is to obtain optimal formulations of brake fluids ABNT 3 type while satisfying technical and market specifications, by utilizing modelling and optimization techniques of five physical and chemical properties. A methodology for the design of commercial products, based on the usage of the information available in databases where previous t
Publicado em: 2007
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6. Otimização no corte de tubos estruturais: aplicação na indústria aeronáutica agrícola.
The Cutting Stock Problem consists of determining the best form to cut units of material (objects in supply), producing a set of lesser units (demanded item), with specific dimensions, that are ordered through an order wallet. To minimize the loss of material this study described a method of evaluation and optimization of the process planning of the cu
Publicado em: 2006
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7. Abordagem evolutiva para o planejamento multi-periodo da expansão da rede de acesso aos serviços de telecomunicações
After privatization, the telecommunication area has been experienced big technological changes. From the user point of view, this means access to more modern services. For the service providers, the privatization means competition. The service providers need an optimized business plan to increase their market share, so that they can maximize their revenue an
Publicado em: 2005
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8. Planning and scheduling for petroleum refineries using mathematical programming
The objective of this paper is the development and solution of nonlinear and mixed-integer (MIP) optimization models for real-world planning and scheduling problems in petroleum refineries. Firstly, we present a nonlinear planning model that represents a general refinery topology and allows implementation of nonlinear process models as well as blending relat
Brazilian Journal of Chemical Engineering. Publicado em: 2002-04
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9. Otimização do posicionamento de componentes no layout de plantas quimicas
The adequate development of the layout of a chemical plant is very important because of economic, operational and safety reasons. The overall optimization of the plant must inc1ude the optimization of the placement of the components and the length and distribution of the pipes, satisfying safety constraints. The objective of this work was the development of
Publicado em: 2001